312020323120 has 80 divisors (see below), whose sum is σ = 791543837952. Its totient is φ = 113440884480.

The previous prime is 312020323079. The next prime is 312020323141. The reversal of 312020323120 is 21323020213.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5182309 + ... + 5242171.

Almost surely, 2^312020323120 is an apocalyptic number.

It is an amenable number.

312020323120 is an abundant number, since it is smaller than the sum of its proper divisors (479523514832).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

312020323120 is a wasteful number, since it uses less digits than its factorization.

312020323120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65810 (or 65804 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 312020323120 its reverse (21323020213), we get a palindrome (333343343333).

The spelling of 312020323120 in words is "three hundred twelve billion, twenty million, three hundred twenty-three thousand, one hundred twenty".